Introduction: There is growing interest in accelerating adoptions of vaccines. This study examined factors that differentiate the acceptance and timing of uptake of the first shingles vaccine, Zostavax, among older adults in the U.S. Methods: Data from Health and Retirement Study respondents who were aged ≥62 years in 2008 were analyzed to determine whether they received a shingles vaccination from 2006 to 2016. Multinomial logistic regression was used to examine the characteristics associated with vaccine uptake and timing. Results: Of those eligible, 15.2% were vaccinated early (between 2006 and 2010), 20.2% were vaccinated later, and 64.6% remained unvaccinated 10 years after the shingles vaccine was introduced. Respondents more likely to be vaccinated were those who had higher education and income, experience with influenza vaccination, more frequent social interaction with friends, or were residing in an area with higher shingles vaccination rates. Conclusions: Shingles vaccination rates vary by social and geographic characteristics. Efforts to improve and expedite vaccination and other new preventive measures should target specific populations and geographic areas.
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